CVE-2026-90804

A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length/augmentation_data_size/write_offset results in buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

• CWE-119
• CWE-120

• https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20write%20%20negative-size%20%60memmove%60%20%20SEGV%20in%20%60_bfd_elf_write_section_eh_frame%60%20(bfdelf-eh-frame.c2064%20%202083%20%202193)%20via%20malformed%20%60.eh_frame%60.mdExploit, Mitigation, Third Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=34445Exploit, Third Party Advisory
• https://vuldb.com/cve/CVE-2026-90804Third Party Advisory, VDB Entry
• https://vuldb.com/submit/920281Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/403306Permissions Required, Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/403306/ctiPermissions Required, Third Party Advisory, VDB Entry
• https://www.gnu.org/Product

Published

Sep 14, 2026

Last Modified

Sep 18, 2026

Status

Analyzed

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